.container {
    display: flex;
    min-height: 100vh;
    max-height: 100vh;
    flex-direction: column;
    overflow-x: hidden;
}
header {
    /*background: #4e97d9;*/
    background: url(/static/imgs/bg_header.png);
    min-height: 70px;
}

header .layui-nav{
    /*background: #4e97d9!important;*/
    background: transparent;
}

content {
    background-color: white;
    display: flex;
    flex: 1; /* 1 代表盡可能最大，會自動填滿除了 header footer 以外的空間 */
    /*justify-content:center;
    align-items:center;*/
}


footer {
    background: whitesmoke;
    min-height: 30px;
    line-height: 30px;
    text-align: center;
    color: #666;
}

.logo{
    width: 300px;
    display: inline-block;
    position: relative;
    top: 15px;
    padding-left: 15px;
    font-size: 30px;
    color:whitesmoke;
    letter-spacing: .1em;
    font-weight: 600;
    cursor: pointer;
}

.top-nav{
    height: 60px;
}


.layui-nav-img {
    width: 45px;
    height: 45px;
    margin-right: 5px;
    border-radius: 50%;
}

 .layui-col-lg2 {
        width: 18.666667%;
 }
